package com.kuangstudy.thread.syn;

/**
 * @author Losca
 * @date 2021/7/19 21:40
 */
public class UnsafeBank {
    public static void main(String[] args) {
        Account account = new Account(100, "结婚基金");
        Drawing you = new Drawing(account, 50, "你");
        Drawing ly = new Drawing(account, 100, "ly");
        you.start();
        ly.start();

    }
}

//账户
class Account{
    int money;//余额
    String name;//卡名

    public Account(int money, String name) {
        this.money = money;
        this.name = name;
    }
}

class Drawing extends Thread{
    /*账户*/
    Account account;
    /*取了多少钱*/
    int drawingMoney;
    /*你现在有多少钱*/
    int nowMoney;
    public Drawing(Account account,int drawingMoney,String name){
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }
    @Override
    public void run() {
        /*把账户锁住 操作的代码都丢synchronized里 锁对象 锁的对象是变化的连*/
        synchronized (account) {
            /*判断有没有钱*/
            if (account.money - drawingMoney < 0) {
                System.out.println(this.getName() + "没钱啦");
                return;
            }
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            /*卡内余额*/
            account.money = account.money - drawingMoney;
            /*你手里的钱*/
            nowMoney = nowMoney + drawingMoney;
            System.out.println(account.name + "余额为" + account.money);
            System.out.println(this.getName() + "手里的钱" + nowMoney);

        }
    }
}